Home / 220,845.12-304,733.13-124,045.26

Finding the Fourth Proportional to 220,845.12, 304,733.13 and 124,045.26

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Solution

The fourth proportional to 220,845.12, 304,733.13 and 124,045.26 is: 171,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,845.12 : 304,733.13 = 124,045.26 : x
  2. Step 2: Convert to fraction form
    220,845.12/304,733.13 = 124,045.26/x
  3. Step 3: Cross multiply
    220,845.12x = 304,733.13 × 124,045.26
  4. Step 4: Simplify right side
    220,845.12x = 37,800,700,341.46
  5. Step 5: Solve for x
    x = 37,800,700,341.46/220,845.12
  6. Step 6: Final answer
    x = 171,163.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.